Timed Electric Auto Drain Valve, Pipe Size 1/2 in NPT, Drain Size 1/2 in, Drain Rate 3.1 gal/cycle, Adjustable Drain Cycle 1 min to 14 days, Purge Time 7 sec, Voltage 115 V, Max. Pressure 200 psi, Operating Temp. Range 35 Degrees to 165 Degrees F, Hz...